CONCORD WATER DEPT: EPA violation history, explained
CONCORD WATER DEPT had a health-based violation within the last five years. The required corrective action was reported, but it happened recently enough to matter. 18,788 people get their water from it, across 5,710 connections.
CONCORD WATER DEPT's record against the rest of the country
14 total violations and 4 health-based ones put CONCORD WATER DEPT at the 67th percentile nationally for violation burden, rank 4,289 of 12,903.
How CONCORD WATER DEPT compares within MA
MA's 283 covered systems average 7.0 health-based violations each; CONCORD WATER DEPT carries 4, not more than typical for the state. The clean-record guide covers what a comparison like this can hide.
Most recent violation on record
The last violation EPA has on record for CONCORD WATER DEPT is from 2022-01-07 (health-based: 2022-01-07). Last reported to EPA: 06/22/2026.
What kind of problem, specifically
CONCORD WATER DEPT's flagged contaminants and rule violations, grouped by what they actually mean for a filter choice rather than left as EPA's raw code list:
- Microbial contamination / treatment technique - flagged from: Coliform (TCR)
- Disinfection byproducts - flagged from: Bromate
The most severe category on record is microbial contamination / treatment technique, which points toward a microbial-class filter if you want to address it directly.
What this data is and is not
CONCORD WATER DEPT's numbers here come from its own required reporting to EPA under the Safe Drinking Water Act, not from an independent test of your glass of water. This record - 4 health-based violations on file for CONCORD WATER DEPT - stops at the meter and cannot see household plumbing on the other side of it. The guide to what this data misses covers that gap.